Free Online DICOM Viewer
View DICOM medical images directly in your web browser — no software installation required. Upload .dcm files from hospital CDs, PACS exports, or patient portals and instantly see your CT scans, MRIs, X-rays, and ultrasound images rendered as high-quality viewable images. Our viewer converts DICOM data to browser-compatible format automatically.
Arraste seu arquivo aqui
DICOM (.dcm), NIfTI (.nii, .nii.gz), NRRD (.nrrd), MHA (.mha)
Max file size: 200 MB • Processed locally
Why Use an Online DICOM Viewer?
DICOM files are the universal standard for medical imaging, but viewing them normally requires specialized software like OsiriX, RadiAnt, or Horos — applications that must be downloaded, installed, and configured before you can see a single image. An online DICOM viewer eliminates this barrier entirely. Upload your .dcm file and see your medical images immediately, right in your browser, on any device.
Patients who receive hospital CDs containing their CT scans, MRIs, or X-rays often find themselves unable to open the files at home. The CD may include a viewer application, but it frequently fails to run on modern operating systems or requires administrator privileges. Our online viewer provides a reliable alternative that works on every computer, tablet, and smartphone with a web browser.
Healthcare professionals working outside their primary institution — traveling physicians, locum tenens doctors, telehealth providers — need quick access to patient imaging without installing PACS software on every device. An online DICOM viewer provides instant access to imaging data from any location with internet access, supporting clinical decision-making in time-sensitive situations.
How to View DICOM Files Online
- Upload your DICOM file (.dcm) from a hospital CD, USB drive, or patient portal.
- Our viewer reads the DICOM metadata and renders the image with proper windowing and contrast.
- View and download the rendered image — compatible with all devices and browsers.
Key Features
- View CT, MRI, X-ray, and ultrasound DICOM files in your browser
- Automatic window/level adjustment for optimal image display
- Support for all major DICOM modalities and transfer syntaxes
- No software installation — works on any device with a browser
- Multi-frame DICOM support for viewing complete scan series
- Free to use — no registration or account required
- HIPAA-aware: SSL encryption with automatic file deletion
Frequently Asked Questions
What types of DICOM images can I view?
Our viewer supports DICOM files from all major imaging modalities: CT (Computed Tomography), MRI (Magnetic Resonance Imaging), X-ray (CR/DR), Ultrasound (US), Mammography (MG), PET scans, and Nuclear Medicine. Both single-frame and multi-frame DICOM files are supported.
Do I need to install any software?
No. Our DICOM viewer runs entirely in your web browser. There is nothing to download, install, or configure. Simply upload your .dcm file and the image is displayed immediately. Works on Windows, Mac, Linux, iOS, and Android.
Is this viewer suitable for diagnostic purposes?
Our viewer renders DICOM images with proper window/level settings for general viewing and consultation. For primary diagnostic interpretation, medical professionals should use FDA-cleared PACS viewers with calibrated monitors. Our tool is ideal for patient communication, quick reference, and sharing images with referring physicians.
Are my medical images secure?
Yes. All file uploads are encrypted via SSL/TLS. Files are processed on our servers and automatically deleted within 1 hour. We never store, view, or share your medical data. For additional privacy, you can anonymize DICOM files to remove patient information before viewing.
Can I view DICOM files from a hospital CD?
Yes. Insert the hospital CD into your computer, navigate to the DICOM folder (often labeled 'DICOM' or 'IMAGES'), and upload the .dcm files to our viewer. You can view them instantly without needing the viewer software that came on the CD.